B.TECH - Semester 4 analog integrated circuits Question Paper 2021 (dec)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Design an amplifier circuit to implement the function $y=-(2 a+b+5 c)$. Where $a$, $b$, $c$ are the inpuls and $y$ is the oulput.
- Define the terms Slew rale, CMRR, Input offsel wollage and Input bias current of an OP-Amp.
- With circuil diagram explain the working of a current to voltage converder,
- A 16 bil D/A converter have an output voltage range from 0 to 2.55 V . Find the resolution of the converter.
- Draw the frequency response of an active notch filter, Give the expressions for FH, FL, and Band width
- What is meanl by Butterworlh sesponse?
- Draw the circuil arrangement of a digilal phase detector and explain.
- Design a +12 V regulator using LM 723 with a current limiling value of 50 mA . 9 A PLL IC 565 connected for $F M$ delection has $R_{1}=8.3 \mathrm{~K} \Omega, \mathrm{C}_{1}=0.001 \mu \mathrm{~F}$ and $\mathrm{C}_{\mathrm{c}}=0.02 \mu \mathrm{~F}$. ...
- Explain the principle of Haif wrave Precision reclifier. ( $10 \times 4=40$ Marks) Answer any two questions from each module.
- Design a circuit using 1 C 741 lo generate a square wawe wilh $50 \%$ duly cycle
- With circuil diagram explain the working of RC phase shih Oscillator. Oblain the expression for frequency of oscillation and gain.
- Explain the working of a praclical differentialor circuit using op-amp. Oblain the expression for oulpul voltage and plot the frequency response.
- Design a second order Low pass filler al a cul of frequency 2 KHz with a pass band gain of 3 .
- Will circuit diagram explain the working of Successive approximation ADC.
- Explain a 4-bit R-2R ladder lype D/A converter in delail.
- Show that a Gitberl mulliplier cell can be used as a four quadrant multiplier.
- How fold back current limiling is incorporated in regulator IC 723, explain with circuil diagram. Draw the characteristics.
- Design a circuit to generale a pulse of widlb 1 ms using IC 555 . 2 M-6051